From: Rik van Riel <riel@redhat.com>
To: Andy Lutomirski <luto@kernel.org>, X86 ML <x86@kernel.org>
Cc: Borislav Petkov <bpetkov@suse.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Nadav Amit <nadav.amit@gmail.com>,
Dave Hansen <dave.hansen@intel.com>,
Nadav Amit <namit@vmware.com>, Michal Hocko <mhocko@suse.com>,
Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [PATCH v4 2/8] x86/mm: Change the leave_mm() condition for local TLB flushes
Date: Mon, 29 May 2017 16:39:12 -0400 [thread overview]
Message-ID: <1496090352.29205.71.camel@redhat.com> (raw)
In-Reply-To: <61de238db6d9c9018db020c41047ce32dac64488.1495990440.git.luto@kernel.org>
On Sun, 2017-05-28 at 10:00 -0700, Andy Lutomirski wrote:
> On a remote TLB flush, we leave_mm() if we're TLBSTATE_LAZY.A A For a
> local flush_tlb_mm_range(), we leave_mm() if !current->mm.A A These
> are approximately the same condition -- the scheduler sets lazy TLB
> mode when switching to a thread with no mm.
>
> I'm about to merge the local and remote flush code, but for ease of
> verifying and bisecting the patch, I want the local and remote flush
> behavior to match first.A A This patch changes the local code to match
> the remote code.
>
> Cc: Rik van Riel <riel@redhat.com>
> Cc: Dave Hansen <dave.hansen@intel.com>
> Cc: Nadav Amit <namit@vmware.com>
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Arjan van de Ven <arjan@linux.intel.com>
> Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Rik van Riel <riel@redhat.com>
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-05-29 20:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-28 17:00 [PATCH v4 0/8] x86 TLB flush cleanups, moving toward PCID support Andy Lutomirski
2017-05-28 17:00 ` [PATCH v4 1/8] x86/mm: Pass flush_tlb_info to flush_tlb_others() etc Andy Lutomirski
2017-05-29 19:26 ` Rik van Riel
2017-05-28 17:00 ` [PATCH v4 2/8] x86/mm: Change the leave_mm() condition for local TLB flushes Andy Lutomirski
2017-05-29 20:39 ` Rik van Riel [this message]
2017-05-28 17:00 ` [PATCH v4 3/8] x86/mm: Refactor flush_tlb_mm_range() to merge local and remote cases Andy Lutomirski
2017-05-29 23:42 ` Rik van Riel
2017-05-31 13:58 ` Andy Lutomirski
2017-06-01 1:49 ` Rik van Riel
2017-05-29 23:49 ` Rik van Riel
2017-05-29 23:53 ` Rik van Riel
2017-05-28 17:00 ` [PATCH v4 4/8] x86/mm: Use new merged flush logic in arch_tlbbatch_flush() Andy Lutomirski
2017-05-28 17:00 ` [PATCH v4 5/8] x86/mm: Remove the UP tlbflush code; always use the formerly SMP code Andy Lutomirski
2017-05-28 17:00 ` [PATCH v4 6/8] x86/mm: Rework lazy TLB to track the actual loaded mm Andy Lutomirski
2017-05-28 17:00 ` [PATCH v4 7/8] x86/mm: Be more consistent wrt PAGE_SHIFT vs PAGE_SIZE in tlb flush code Andy Lutomirski
2017-05-28 17:00 ` [PATCH v4 8/8] x86,kvm: Teach KVM's VMX code that CR3 isn't a constant Andy Lutomirski
2017-07-14 20:06 ` Roman Kagan
2017-07-15 16:42 ` Andy Lutomirski
2017-06-06 13:17 ` [PATCH v4 0/8] x86 TLB flush cleanups, moving toward PCID support Ingo Molnar
2017-06-06 15:55 ` Andy Lutomirski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1496090352.29205.71.camel@redhat.com \
--to=riel@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=arjan@linux.intel.com \
--cc=bpetkov@suse.de \
--cc=dave.hansen@intel.com \
--cc=linux-mm@kvack.org \
--cc=luto@kernel.org \
--cc=mgorman@suse.de \
--cc=mhocko@suse.com \
--cc=nadav.amit@gmail.com \
--cc=namit@vmware.com \
--cc=torvalds@linux-foundation.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).